• 4410 Citations
  • 34 h-Index
1978 …2018
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Research Output 1978 2018

  • 4410 Citations
  • 34 h-Index
  • 84 Article
  • 16 Conference contribution
  • 2 Chapter
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Article
1978
10 Citations (Scopus)

Investigation by focused laser beam scanning of the photoelectric activity of bacteriorhodopsin-containing lipid bilayers

Dancshazy, Z., Ormos, P., Drachev, L. A. & Skulachev, V. P., 1978, In : Biophysical Journal. 24, 2, p. 423-428 6 p.

Research output: Contribution to journalArticle

Bacteriorhodopsins
Lipid Bilayers
Membrane Lipids
Lasers
Light
22 Citations (Scopus)

Kinetics of the blue light-induced inhibition of photoelectric activity of bacteriorhodopsin

Dancsházy, Z., Drachev, L. A., Ormos, P., Nagy, K. & Skulachev, V. P., Dec 1 1978, In : FEBS Letters. 96, 1, p. 59-63 5 p.

Research output: Contribution to journalArticle

Bacteriorhodopsins
Photochemical reactions
Carotenoids
Spectrum analysis
Kinetics
38 Citations (Scopus)

Mechanism of generation and regulation of photopotential by bacteriorhodopsin in bimolecular lipid membrane. The quenching effect of blue light

Ormos, P., Dancsházy, Z. & Karvaly, B., Aug 8 1978, In : BBA - Bioenergetics. 503, 2, p. 304-315 12 p.

Research output: Contribution to journalArticle

Bacteriorhodopsins
Membrane Lipids
Quenching
Light
Membrane Potentials
1980
41 Citations (Scopus)

Electric response of a back photoreaction in the bacteriorhodopsin photocycle

Ormos, P., Dancshazy, Z. & Keszthelyi, L., 1980, In : Biophysical Journal. 31, 2, p. 207-214 8 p.

Research output: Contribution to journalArticle

Bacteriorhodopsins
Protons
Suspensions
Light
Temperature
131 Citations (Scopus)

Electric signals associated with the photocycle of bacteriorhodopsin

Keszthelyi, L. & Ormos, P., Jan 14 1980, In : FEBS Letters. 109, 2, p. 189-193 5 p.

Research output: Contribution to journalArticle

Bacteriorhodopsins
20 Citations (Scopus)

Photocurrent response of bacteriorhodopsin adsorbed on bimolecular lipid membranes

Seta, P., Ormos, P., D'Epenoux, B. & Gavach, C., Jun 10 1980, In : BBA - Bioenergetics. 591, 1, p. 37-52 16 p.

Research output: Contribution to journalArticle

Bacteriorhodopsins
Membrane Lipids
Photocurrents
Protons
Proton-Motive Force
1981
61 Citations (Scopus)

THE EFFECT OF VISCOSITY ON THE PHOTOCYCLE OF BACTERIORHODOPSIN

Beece, D., Bowne, S. F., Czégé, J., Eisenstein, L., Frauenfelder, H., Good, D., Marden, M. C., Marque, J., Ormos, P., Reinisch, L. & Yue, K. T., 1981, In : Photochemistry and Photobiology. 33, 4, p. 517-522 6 p.

Research output: Contribution to journalArticle

Bacteriorhodopsins
Viscosity
viscosity
glycerols
Glycerol
1982
10 Citations (Scopus)

Fast components of the electric response signal of bacteriorhodopsin protein

Keszthelyi, L., Ormos, P. & Váró, G., Aug 1982, In : Acta Physica Academiae Scientiarum Hungaricae. 53, 1-2, p. 143-157 15 p.

Research output: Contribution to journalArticle

proteins
Raman spectroscopy
pumps
membranes
life (durability)
1983
33 Citations (Scopus)

Displacement current on purple membrane fragments oriented in a suspension

Keszthelyi, L. & Ormos, P., 1983, In : Biophysical Chemistry. 18, 4, p. 397-405 9 p.

Research output: Contribution to journalArticle

Purple Membrane
Protons
Suspensions
Halobacterium
fragments
55 Citations (Scopus)

Electro-optical measurements on aqueous suspension of purple membrane from Halobacterium halobium.

Barabás, K., Dér, A., Dancsházy, Z., Ormos, P., Keszthelyi, L. & Marden, M., Jul 1983, In : Biophysical Journal. 43, 1, p. 5-11 7 p.

Research output: Contribution to journalArticle

Purple Membrane
Halobacterium salinarum
Suspensions
Membranes
Proteins
32 Citations (Scopus)

Fast electric response signals in the bacteriorhodopsin photocycle

Ormos, P., Reinisch, L. & Keszthelyi, L., Mar 18 1983, In : BBA - Bioenergetics. 722, 3, p. 471-479 9 p.

Research output: Contribution to journalArticle

Bacteriorhodopsins
Proton Pumps
Isomerization
Purple Membrane
Suspensions
1984
8 Citations (Scopus)

Influence of stray capacitance and sample resistance on the kinetics of fast photovoltages from oriented purple membranes

Trissl, H. W., Dér, A., Ormos, P. & Keszthelyi, L., Jun 26 1984, In : BBA - Bioenergetics. 765, 3, p. 288-294 7 p.

Research output: Contribution to journalArticle

Purple Membrane
Capacitance
Ionic strength
Membranes
Osmolar Concentration
1985
21 Citations (Scopus)

The effect of pH on proton transport by bacteriorhodopsin

Ormos, P., Hristova, S. & Keszthelyi, L., Sep 19 1985, In : BBA - Bioenergetics. 809, 2, p. 181-186 6 p.

Research output: Contribution to journalArticle

Bacteriorhodopsins
Protons
Kinetics
Proton transfer
Titration
1986

DISPLACEMENT CURRENT IN BIOLOGICAL MEMBRANES.

Keszthelyi, L. & Ormos, P., 1986, In : Periodica Polytechnica, Electrical Engineering. 30, 4, p. 241-248 8 p.

Research output: Contribution to journalArticle

Biological membranes
Protons
Enzymes
Proteins
Membranes
1987
16 Citations (Scopus)

Deprotonation of tyrosines in bacteriorhodopsin as studied by Fourier transform infrared spectroscopy with deuterium and nitrate labeling

Lin, S. L., Ormos, P., Eisenstein, L., Govindjee, R., Konno, K. & Nakanishi, K., 1987, In : Biochemistry. 26, 25, p. 8327-8331 5 p.

Research output: Contribution to journalArticle

Bacteriorhodopsins
Deprotonation
Deuterium
Fourier Transform Infrared Spectroscopy
Nitrates
332 Citations (Scopus)

Rebinding and relaxation in the myoglobin pocket

Ansari, A., Berendzen, J., Braunstein, D., Cowen, B. R., Frauenfelder, H., Hong, M. K., Iben, I. E. T., Johnson, J. B., Ormos, P., Sauke, T. B., Scholl, R., Schulte, A., Steinbach, P. J., Vittitow, J. & Young, R. D., May 9 1987, In : Biophysical Chemistry. 26, 2-3, p. 337-355 19 p.

Research output: Contribution to journalArticle

myoglobin
Myoglobin
Carbon Monoxide
Stretching
Temperature
1988
62 Citations (Scopus)

Ligand binding to synthetic mutant myoglobin (His-E7----Gly): role of the distal histidine.

Braunstein, D., Ansari, A., Berendzen, J., Cowen, B. R., Egeberg, K. D., Frauenfelder, H., Hong, M. K., Ormos, P., Sauke, T. B. & Scholl, R., Nov 1988, In : Proceedings of the National Academy of Sciences of the United States of America. 85, 22, p. 8497-8501 5 p.

Research output: Contribution to journalArticle

Myoglobin
Carbon Monoxide
Histidine
Ligands
Photolysis
96 Citations (Scopus)

Orientation of carbon monoxide and structure-function relationship in carbonmonoxymyoglobin.

Ormos, P., Braunstein, D., Frauenfelder, H., Hong, M. K., Lin, S. L., Sauke, T. B. & Young, R. D., Nov 1988, In : Proceedings of the National Academy of Sciences of the United States of America. 85, 22, p. 8492-8496 5 p.

Research output: Contribution to journalArticle

Carbon Monoxide
Heme
Photolysis
Fourier Transform Infrared Spectroscopy
carboxymyoglobin
1989
354 Citations (Scopus)

Glassy behavior of a protein

Iben, I. E. T., Braunstein, D., Doster, W., Frauenfelder, H., Hong, M. K., Johnson, J. B., Luck, S., Ormos, P., Schulte, A., Steinbach, P. J., Xie, A. H. & Young, R. D., 1989, In : Physical Review Letters. 62, 16, p. 1916-1919 4 p.

Research output: Contribution to journalArticle

metastable state
transition temperature
proteins
glass
kinetics
12 Citations (Scopus)

Low-temperature photoreactions of halorhodopsin. 1. Detection of conformational substates of the chromoprotein

Zimányi, L., Ormos, P. & Lanyi, J. K., 1989, In : Biochemistry. 28, 4, p. 1656-1661 6 p.

Research output: Contribution to journalArticle

Halorhodopsins
Temperature
Lighting
Absorption spectra
Bacteriorhodopsins
27 Citations (Scopus)

Protein electric response signals from dielectrically polarized systems

Keszthelyi, L. & Ormos, P., Aug 1989, In : The Journal of Membrane Biology. 109, 3, p. 193-200 8 p.

Research output: Contribution to journalArticle

Halorhodopsins
Bacteriorhodopsins
Myoglobin
Proteins
1990
103 Citations (Scopus)

Conformational substates and motions in myoglobin. External influences on structure and dynamics

Hong, M. K., Braunstein, D., Cowen, B. R., Frauenfelder, H., Iben, I. E. T., Mourant, J. R., Ormos, P., Scholl, R., Schulte, A., Steinbach, P. J., Xie, A. H. & Young, R. D., 1990, In : Biophysical Journal. 58, 2, p. 429-436 8 p.

Research output: Contribution to journalArticle

Myoglobin
Carbon Monoxide
Proteins
Entropy
Fourier Transform Infrared Spectroscopy
60 Citations (Scopus)

Inhomogeneous broadening in spectral bands of carbonmonoxymyoglobin. The connection between spectral and functional heterogeneity

Ormos, P., Ansari, A., Braunstein, D., Cowen, B. R., Frauenfelder, H., Hong, M. K., Iben, I. E. T., Sauke, T. B., Steinbach, P. J. & Young, R. D., 1990, In : Biophysical Journal. 57, 2 I, p. 191-199 9 p.

Research output: Contribution to journalArticle

Carbon Monoxide
Photolysis
Protein Conformation
Myoglobin
carboxymyoglobin
248 Citations (Scopus)

Proteins and pressure

Frauenfelder, H., Alberding, N. A., Ansari, A., Braunstein, D., Cowen, B. R., Hong, M. K., Iben, I. E. T., Johnson, J. B., Luck, S., Marden, M. C., Mourant, J. R., Ormos, P., Reinisch, L., Scholl, R., Schulte, A., Shyamsunder, E., Sorensen, L. B., Steinbach, P. J., Xie, A., Young, R. D. & 1 others, Yue, K. T., 1990, In : Journal of Physical Chemistry. 94, 3, p. 1024-1037 14 p.

Research output: Contribution to journalArticle

proteins
Proteins
Myoglobin
myoglobin
Carbon Monoxide
1991
73 Citations (Scopus)
Schiff Bases
Protons
Proteins
Amides
Temperature
1992
43 Citations (Scopus)

Infrared study of the L, M, and N intermediates of bacteriorhodopsin using the photoreaction of M

Ormos, P., Chu, K. & Mourant, J., 1992, In : Biochemistry. 31, 30, p. 6933-6937 5 p.

Research output: Contribution to journalArticle

Bacteriorhodopsins
Protonation
Infrared radiation
Lighting
Temperature
4 Citations (Scopus)

Kinetics of the fast electric signal from oriented purple membrane

Dioumaev, A. K., Chernavskii, D. S., Ormos, P., Váró, G. & Keszthelyi, L., 1992, In : Biophysical Journal. 61, 5, p. 1194-1200 7 p.

Research output: Contribution to journalArticle

Purple Membrane
Bacteriorhodopsins
Temperature
1993
84 Citations (Scopus)

Ligand binding to heme proteins: III. FTIR studies of His-E7 and Val-E11 mutants of carbonmonoxymyoglobin

Braunstein, D. P., Chu, K., Egeberg, K. D., Frauenfelder, H., Mourant, J. R., Nienhaus, G. U., Ormos, P., Sligar, S. G., Springer, B. A. & Young, R. D., 1993, In : Biophysical Journal. 65, 6, p. 2447-2454 8 p.

Research output: Contribution to journalArticle

Fourier Analysis
Carbon Monoxide
Ligands
Heme
Sperm Whale
94 Citations (Scopus)

Ligand binding to heme proteins: II. Transitions in the heme pocket of myoglobin

Mourant, J. R., Braunstein, D. P., Chu, K., Frauenfelder, H., Nienhaus, G. U., Ormos, P. & Young, R. D., 1993, In : Biophysical Journal. 65, 4, p. 1496-1507 12 p.

Research output: Contribution to journalArticle

Myoglobin
Carbon Monoxide
Heme
Ligands
Photolysis
1994
84 Citations (Scopus)

pH-induced structural changes in bacteriorhodopsin studied by Fourier transform infrared spectroscopy

Szaraz, S., Oesterhelt, D. & Ormos, P., 1994, In : Biophysical Journal. 67, 4, p. 1706-1712 7 p.

Research output: Contribution to journalArticle

Bacteriorhodopsins
Fourier Transform Infrared Spectroscopy
Aspartic Acid
Asparagine
Spectrum Analysis
1995
4 Citations (Scopus)

Introduction of a method for three-dimensional mapping of the charge motion in bacteriorhodopsin

Dér, A. & Ormos, P., 1995, In : Biophysical Chemistry. 56, 1-2, p. 159-163 5 p.

Research output: Contribution to journalArticle

Bacteriorhodopsins
Protons
Membranes
Light polarization
Photocurrents
1996
6 Citations (Scopus)

Heme geometry in the 10 K photoproduct from sperm whale carbonmonoxymyoglobin

Cupane, A., Vitrano, E., Ormos, P. & Nienhaus, G. U., Jun 11 1996, In : Biophysical Chemistry. 60, 3, p. 111-117 7 p.

Research output: Contribution to journalArticle

Sperm Whale
whales
Heme
X-Rays
X rays
3 Citations (Scopus)

Photoreactions and related charge displacements in the rhodopsin from Sepia officinalis

Ormos, P., Dér, A., Száraz, S., Tokaji, Z., Zimányi, L. & Nagy, K., Aug 1996, In : Journal of Photochemistry and Photobiology, B: Biology. 35, 1-2, p. 7-12 6 p.

Research output: Contribution to journalArticle

Sepia
Sepia officinalis
rhodopsin
Rhodopsin
Gels
1997
4 Citations (Scopus)

The effect of azide on the photocycle of bacteriorhodopsin

Ormos, P., Dér, A., Gergely, C., Kruska, S., Száraz, S. & Tokaji, Z., Sep 1997, In : Journal of Photochemistry and Photobiology, B: Biology. 40, 2, p. 111-119 9 p.

Research output: Contribution to journalArticle

Bacteriorhodopsins
azides
Azides
Schiff Bases
Ground state
1998
25 Citations (Scopus)

Structural factors controlling ligand binding to myoglobin: A kinetic hole-burning study

Ormos, P., Száraz, S., Cupane, A. & Nienhaus, G. U., Jun 9 1998, In : Proceedings of the National Academy of Sciences of the United States of America. 95, 12, p. 6762-6767 6 p.

Research output: Contribution to journalArticle

Myoglobin
Heme
Carbon Monoxide
Ligands
Sperm Whale
1999
16 Citations (Scopus)

Chloride ion binding to bacteriorhodopsin at low pH: An infrared spectroscopic study

Kelemen, L., Galajda, P., Száraz, S. & Ormos, P., 1999, In : Biophysical Journal. 76, 4, p. 1951-1958 8 p.

Research output: Contribution to journalArticle

Bacteriorhodopsins
Halorhodopsins
Chlorides
Ions
Acids
15 Citations (Scopus)

Interpretation of the spatial charge displacements in bacteriorhodopsin in terms of structural changes during the photocycle

Dér, A., Oroszi, L., Kulcsá, Á., Zimányi, L., Tóth-Boconádi, R., Keszthelyi, L., Stoeckenius, W. & Ormos, P., Mar 16 1999, In : Proceedings of the National Academy of Sciences of the United States of America. 96, 6, p. 2776-2781 6 p.

Research output: Contribution to journalArticle

Bacteriorhodopsins
Purple Membrane
Proton Pumps
Magnetic Fields
Molecular Dynamics Simulation
2000
297 Citations (Scopus)

Structural alterations for proton translocation in the M state of wild-type bacteriorhodopsin

Sass, H. J., Büldt, G., Gessenich, R., Hehn, D., Neff, D., Schlesinger, R., Berendzen, J. & Ormos, P., Aug 10 2000, In : Nature. 406, 6796, p. 649-653 5 p.

Research output: Contribution to journalArticle

Bacteriorhodopsins
Protons
Schiff Bases
Light
Proton Pumps
2001
535 Citations (Scopus)

Complex micromachines produced and driven by light

Galajda, P. & Ormos, P., Jan 8 2001, In : Applied Physics Letters. 78, 2, p. 249-251 3 p.

Research output: Contribution to journalArticle

rotors
polymerization
mechanical devices
photons
curing
7 Citations (Scopus)
Bacteriorhodopsins
Fourier Transform Infrared Spectroscopy
Vibration
Amides
Schiff Bases
44 Citations (Scopus)

The voltage-dependent proton pumping in bacteriorhodopsin is characterized by optoelectric behavior

Geibel, S., Friedrich, T., Ormos, P., Wood, P. G., Nagel, G. & Bamberg, E., 2001, In : Biophysical Journal. 81, 4, p. 2059-2068 10 p.

Research output: Contribution to journalArticle

Bacteriorhodopsins
Protons
Light
Proton Pumps
HEK293 Cells
2002
58 Citations (Scopus)

Protein-based integrated optical switching and modulation

Ormos, P., Fábián, L., Oroszi, L., Wolff, E. K., Ramsden, J. J. & Dér, A., May 27 2002, In : Applied Physics Letters. 80, 21, p. 4060-4062 3 p.

Research output: Contribution to journalArticle

light modulation
optical switching
proteins
optical materials
dynamic response
34 Citations (Scopus)
propellers
lasers
curing
resins
rotors
100 Citations (Scopus)

Rotors produced and driven in laser tweezers with reversed direction of rotation

Galajda, P. & Ormos, P., Jun 17 2002, In : Applied Physics Letters. 80, 24, p. 4653-4655 3 p.

Research output: Contribution to journalArticle

rotors
lasers
propellers
numerical aperture
curing
6 Citations (Scopus)

Theory of electric signals of membrane proteins in three dimensions

Oroszi, L., Dér, A. & Ormos, P., May 2002, In : European Biophysics Journal. 31, 2, p. 136-144 9 p.

Research output: Contribution to journalArticle

Ion Pumps
Suspensions
Membrane Proteins
Molecular Models
Molecular Dynamics Simulation
2003
87 Citations (Scopus)

Orientation of flat particles in optical tweezers by linearly polarized light

Galajda, P. & Ormos, P., 2003, In : Optics Express. 11, 5, p. 446-451 6 p.

Research output: Contribution to journalArticle

polarized light
torque
trapped particles
micrometers
polymerization
2004
15 Citations (Scopus)

Different relaxations in myoglobin after photolysis

Levantino, M., Cupane, A., Zimányi, L. & Ormos, P., Oct 5 2004, In : Proceedings of the National Academy of Sciences of the United States of America. 101, 40, p. 14402-14407 6 p.

Research output: Contribution to journalArticle

Myoglobin
Photolysis
Ligands
Temperature
Carbon Monoxide
2005
24 Citations (Scopus)

Alignment of biological microparticles by a polarized laser beam

Garab, G., Galajda, P., Pomozi, I., Finzi, L., Praznovszky, T., Ormos, P. & Van Amerongen, H., Jun 2005, In : European Biophysics Journal. 34, 4, p. 335-343 9 p.

Research output: Contribution to journalArticle

Chloroplasts
Birefringence
Lasers
Light-Harvesting Protein Complexes
Micromanipulation
2006
15 Citations (Scopus)

Control of electro-osmostic flow by light

Oroszi, L., Dér, A., Kirei, H., Ormos, P. & Rakovics, V., 2006, In : Applied Physics Letters. 89, 26, 263508.

Research output: Contribution to journalArticle

optical control
photoconductors
osmosis
microfluidic devices
microchannels
70 Citations (Scopus)

Direct measurement of torque in an optical trap and its application to double-strand DNA

Oroszi, L., Galajda, P., Kirei, H., Bottka, S. & Ormos, P., 2006, In : Physical Review Letters. 97, 5, 058301.

Research output: Contribution to journalArticle

strands
torque
deoxyribonucleic acid
traps
biopolymers